Two-prong electric plug



FIG. 1 is a perspective view of a two-prong electric plug showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical;

FIG. 3 is a right-side elevational view thereof, the left-side elevational view being identical;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

The portions of FIGS. 1, 2 and 3 shown in broken lines represent and form no part of the claimed design. 

The ornamental design for a two-prong electric plug, as shown and described. 